package com.example.neusoftfood_c213_zhong.fragment;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;

import com.example.neusoftfood_c213_zhong.R;




public abstract class BaseFragment  extends Fragment {
    protected int layout_file=0;
    private SharedPreferences sp;
    protected FragmentManager childManager;
    private FragmentTransaction transaction;
    protected Context context;
    protected View view = null;

    abstract void initViews();

    abstract void initEvents();

    abstract void initData();


    void setLayout_file(int layout_file)
    {
        this.layout_file=layout_file;
    }
    int getLayout_file()
    {
        return this.layout_file;
    }
    public BaseFragment() {
        context = getActivity();
    }


    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle
            savedInstanceState) {
        view = inflater.inflate(getLayout_file(), container, false);
        initViews();
        initEvents();
        initData();
        return view;
    }
    public String getUser_id() {
        sp = getActivity().getSharedPreferences("userInfo", Context.MODE_PRIVATE);
        return sp.getString("user_id", "");
    }

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        childManager = getChildFragmentManager();
    }



    protected void addFragment(Fragment fragment) {
        transaction = childManager.beginTransaction();
        //transaction.add(R.id.fragment_container, fragment);
        transaction.commit();
    }
    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        this.context = context;
    }
    protected void replaceFragment(Fragment fragment) {
        transaction = childManager.beginTransaction();
        //transaction.replace(R.id.fragment_container, fragment);
        transaction.commit();
    }
    protected void removeFragment(Fragment fragment) {
        transaction = childManager.beginTransaction();
        transaction.remove(fragment);
        transaction.commit();
    }


}
